cooljeanius’s avatarcooljeanius’s Twitter Archive—№ 633

  1. "The source of seismic activity in the ETSZ is not known. The ETSZ is located far from edge of the North American continent and represents a mid-continent or intraplate earthquake zone. The known faults in the ETSZ are generally ancient; no known active faults reach the surface."
    1. …in reply to @cooljeanius
      From the Wikipedia article on the Eastern Tennessee Seismic Zone: en.m.wikipedia.org/wiki/Eastern_Tennessee_Seismic_Zone
      1. …in reply to @cooljeanius